Patents Assigned to RWTH Aachen
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Patent number: 12284486Abstract: In the method according to the invention for actively suppressing the occlusion effect during the playback of audio signals by means of headphones or a hearing aid, a sound signal occurring from outside is captured by means of at least one outer microphone of the headphones or the hearing aid. A voice signal is captured by means of at least one additional microphone. The dry component of the captured voice signal is estimated, the dry component of the captured voice signal being the component of the captured voice signal without reverberation caused by the surrounding space. By means of a filter, a voice component is extracted from the outer sound captured using the at least one outer microphone. The extracted or produced voice component is output by means of a loudspeaker of the headphones or the hearing aid.Type: GrantFiled: May 27, 2021Date of Patent: April 22, 2025Assignee: RHEINISCH-WESTFALISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Johannes Fabry, Stefan Liebich, Peter Jax
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Patent number: 12182041Abstract: An electronic component is formed by a semiconductor component or a semiconductor-like structure having gate electrode assemblies for manipulating the quantum state of qubits in quantum dots. It comprises a substrate comprising a two-dimensional electron gas or electron hole gas. Electrical contacts connect the gate electrode assemblies to voltage sources. A first gate electrode assembly having gate electrodes is arranged on a surface of the electronic component to generate movable potential wells in the substrate. A second gate electrode assembly serves to generate a potential barrier, which is adjacent to the first gate electrode assembly. The gate electrode assemblies have parallel electrode fingers, whereby the electrode fingers of the first gate electrode assembly are periodically and alternately interconnected in order to effect an almost continuous movement of the potential wells through the substrate.Type: GrantFiled: September 21, 2020Date of Patent: December 31, 2024Assignees: Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Forschungszentrum Jülich GmbHInventors: Matthias Künne, Hendrik Bluhm, Lars Schreiber
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Patent number: 12161454Abstract: The invention relates to a method for carrying out signal detection by means of magnetic particle imaging, in which method magnetic/magnetisable particles (4), arranged in the field-free region of a location-dependent magnetic field, in particular a gradient magnetic field, are magnetised by means of an excitation magnetic field that changes over time, and the harmonics (9, 15), generated by the particles (4), of the frequency of the excitation magnetic field are detected as a signal from the magnetic particles (4) by means of a receiver coil arrangement (1) which in particular surrounds the particles (4), wherein a signal-transmitting arrangement, which has an outer coil (10) and at least one inner coil (11; 16, 17) connected in series to said outer coil, is positioned within the receiver coil arrangement (1) around the particles (4), wherein the signal received from the particles (4) by the at least one inner coil (11; 16, 17) is transmitted to the outer coil (10) by current flow and is re-emitted by said oType: GrantFiled: March 13, 2020Date of Patent: December 10, 2024Assignee: RHEINISCH-WESTFAELISCHE-TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Volkmar Schulz, Sebastian Reinartz, Dennis Pantke, Florian Mueller
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Patent number: 12148860Abstract: An electronic component (10) for generating and emitting electromagnetic waves or single photons (48) comprises a layer system (12) of semiconductor materials. A middle layer (13) of gallium arsenide is arranged between a first layer (14) of aluminum gallium arsenide and a second layer (16) of aluminum gallium arsenide. A first outer layer (18) of gallium arsenide is provided on the first layer (14) of aluminum gallium arsenide; A second outer layer (20) of gallium arsenide is provided on the second layer (16) of aluminum gallium arsenide.Type: GrantFiled: September 10, 2020Date of Patent: November 19, 2024Assignee: Rheinisch-Westfälische Technische Hochschule (RWTH) AachenInventors: Hendrik Bluhm, Feng Liu, Thomas Descamps
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Patent number: 12133475Abstract: An electronic component (10, 110) is designed as a semiconductor or with a semiconductor-like structure for moving a quantum dot (68, 168) over a distance. The electronic component (10, 110) comprises a substrate (32, 132) having a two-dimensional electron gas or electron hole gas. A gate electrode assembly (16, 18, 20, 116, 118, 120) having gate electrodes (38, 40, 42, 44, 138, 140, 142, 144) is arranged on a surface (31, 131) of the electronic component (10, 110). The gate electrode assembly (16, 18, 20, 116, 118, 120) produces a potential well (66, 166) in the substrate (32, 132). Electrical terminals for connecting the gate electrode assembly (16, 18, 20, 116, 118, 120) to voltage sources are provided for this purpose. The disclosure further relates to a method for such an electronic component (10, 110).Type: GrantFiled: September 1, 2020Date of Patent: October 29, 2024Assignees: Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Forschungszentrum Jülich GmbHInventors: Inga Seidler, Hendrik Bluhm, Lars Schreiber, Matthias Künne
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Patent number: 12122239Abstract: Disclosed is parallel hybrid drive for a motor vehicle, a motor vehicle, a method for operating a parallel hybrid drive in an all-electric mode, a method for operating a parallel hybrid drive in a direct drive mode, and a method for operating a parallel hybrid drive in a CVT mode. The drive for a motor vehicle includes an electric machine operable as a motor and generator, an internal combustion engine, a drive axle, and an epicyclic gear. The epicyclic gear includes: a first shaft connected to the electric machine; a second shaft connected to the internal combustion engine; and a third shaft connected to the drive axle. A clutch element is configured to firmly connect at least two shafts of the epicyclic gear to each other. A first brake element is configured to prevent rotation of the internal combustion engine in one direction of rotation.Type: GrantFiled: June 17, 2021Date of Patent: October 22, 2024Assignee: Rheinisch-Westfälische Technische Hochschule (RWTH) AachenInventors: Peter Janssen, Jakob Andert, Michael Engels
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Patent number: 12125466Abstract: In the method according to the invention for active noise suppression, a transfer function for a secondary path between a loudspeaker and an error microphone is measured (20). Based on the measured transfer function for the secondary path, a transfer function for a primary path between a reference microphone and the error microphone is estimated (21). Based on the estimated transfer function for the primary path, filter coefficients for filtering to generate the cancellation signal are then determined (22).Type: GrantFiled: April 6, 2021Date of Patent: October 22, 2024Assignee: RHEINISCH-WESTFALISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Johannes Fabry, Peter Jax, Stefan Liebich
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Publication number: 20240331769Abstract: A method of operating an electrically programmable memory cell comprising a chalcogenide for multi-level data storage, the method comprising providing a pulse signal associated with a first predetermined temperature level to the memory cell to adjust a resistance state according to the first predetermined temperature level; providing a pulse signal associated with a second predetermined temperature level to the memory cell to reset the resistance drift in the chalcogenide, which resistance drift has occurred since the providing the pulse signal associated with the first predetermined temperature level; and the first and second predetermined temperature levels are each greater than a glass transition temperature (Tg) of the chalcogenide.Type: ApplicationFiled: July 29, 2022Publication date: October 3, 2024Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Julian Pries, Matthias Wuttig, Christian Stenz
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Publication number: 20240316859Abstract: A process for the additive manufacturing of porous gas-permeable shaped articles by selective laser sintering of a polymer powder may include a) Providing a layer of polymer powder within an construction space; b) Heating a polymer layer to a temperature greater than or equal to 0.5° C. and less than or equal to 2.5° C. below the melting point of the polymer powder; c) Spatially resolved melting of a powder bed by means of the introduction of laser energy; wherein steps a-c) are carried out one or more times in the same construction space on consecutively superimposed powder layers and the surface energy contribution to be introduced in process step c) is greater than or equal to 1.7 times and less than or equal to 4.25 times the product of the melting enthalpy, polymer powder filling density and layer thickness of the powder filling.Type: ApplicationFiled: June 30, 2022Publication date: September 26, 2024Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Patrick BONGARTZ, Moritz MEYER, Matthias WESSLING, Alexander SCHEELE
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Patent number: 12072819Abstract: An electronic component (10) is formed by a semiconductor component or a semiconductor-like structure having gate electrode assemblies (16, 18, 20) for moving a quantum dot (52). The electronic component (10) comprises a substrate (12) having a two-dimensional electron gas or electron hole gas. Electrical contacts connect the gate electrode assemblies (16, 18, 20) to voltage sources. A first gate electrode assembly (16) having gate electrodes (22, 24), which is arranged on a surface (14) of the electronic component in order to produce a potential well (50) in the substrate (12). The gate electrode assembly (16) has parallel electrode fingers (32, 34), wherein the electrode fingers (32, 34) are interconnected in a periodically alternating manner, which causes an almost continuous movement of the potential well (50) through the substrate (12), whereby a quantum dot (52) is transported in one direction together with this potential well (50).Type: GrantFiled: September 21, 2020Date of Patent: August 27, 2024Assignees: Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Forschungszentrum Jülich GmbHInventors: Matthias Künne, Hendrik Bluhm, Lars Schreiber
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Publication number: 20240264380Abstract: The invention relates to a photonic interposer (300) for coupling light between a first optical fiber (200I) and a photonic integrated circuit (100) and between the photonic integrated circuit (100) and a second optical fiber (200O), the photonic interposer (300) comprising a polarization selective beam splitter-/combiner (310) adapted to split an input light beam (400CI) with first and second polarizations, from the first optical fiber (200I), into a first light beam (400AI) and a second light beam (400BI) and to redirect one of the first and second light beams (400AI, 400BI), and the first light beam (400AI) has the first polarization and the second light beam (400BI) has the second polarization which is different from the first polarization; and the polarization selective beam splitter-/combiner (310) is adapted to combine modulated first and second light beams (400AO, 400BO) from the photonic integrated circuit (100) into a combined light beam (400CO) to be coupled to the second optical fiber (220O), andType: ApplicationFiled: May 31, 2021Publication date: August 8, 2024Applicant: Rheinisch-Westfälische Technische Hochschule (RWTH) AachenInventors: Jeremy Witzens, Florian Merget, Manuel Ackermann
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Publication number: 20240186996Abstract: The invention relates to an insulated gate driver circuit for driving a gate terminal of a semiconductor circuit device, including a low voltage part and a high voltage part which are galvanically separated from each other by an insulated coupling section, and the low voltage part is adapted to transmit a signal to the high voltage part comprising an output stage adapted to drive the gate terminal of the semiconductor circuit device in dependence on a switching signal underlying the signal, wherein the insulated gate driver circuit is adapted to provide a power supply to the output stage and an input signal to the output stage based on the signal transmitted via the insulated coupling section.Type: ApplicationFiled: March 21, 2022Publication date: June 6, 2024Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Lukas HÜSSEN, Muh-Dey WEI, Renato NEGRA
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Patent number: 12000412Abstract: A gas-powered drive system has a drive which includes a first chamber and a second chamber which are separated from one another by a piston. One of the chambers is connected to a gas source to drive the work element and the other chamber is connected via an exhaust air throttle to a gas sink by means of a reversing valve to movement of the piston. A control valve is assigned to the driving chamber through which the driving chamber can be filled with gas from the gas source. The opening cross-section of the control valve is set as a function of a control pressure.Type: GrantFiled: September 6, 2021Date of Patent: June 4, 2024Assignee: RHEINISCH-WESTFAELISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHEN KOERPERSCHAFT DES OEFFENTLICHEN RECHTSInventors: Olivier Georg Reinertz, Katharina Schmitz
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Patent number: 11983126Abstract: An electronic component is formed by a semiconductor component or a semiconductor-like structure having gate electrode assemblies, for reading out the quantum state of a qubit in a quantum dot. The electronic component comprises a substrate having a two-dimensional electron gas or electron hole gas. Electrical contacts connect the gate electrode assemblies to voltage sources. The gate electrode assemblies have gate electrodes, which are arranged on a surface of the electronic component, for producing potential wells in the substrate.Type: GrantFiled: September 21, 2020Date of Patent: May 14, 2024Assignees: Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Forschungszentrum Jülich GmbHInventors: Matthias Künne, Hendrik Bluhm, Lars Schreiber
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Publication number: 20240041622Abstract: The present invention relates to an implant for implanting in a body, in particular in a hollow organ or a vessel of a body, the implant being composed of a filament which comprises at least one polymeric matrix material in which a magnetically heatable filler is arranged, the filament having a cross section with a core-sheath structure characterized in that the core forms a polymeric reinforcing structure, and in that the sheath comprises the polymeric matrix material in which the magnetically heatable filler is disposed, the loading of the filler being greater in the sheath than in the core.Type: ApplicationFiled: December 21, 2021Publication date: February 8, 2024Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Benedict BAUER, Thomas Gerhard GRIES, Jeanette ORTEGA, loana SLABU, Thomas SCHMITZ-RODE, Benedikt MUES
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Patent number: 11845376Abstract: Provided is a radar and light emission assembly for emitting light and radar radiation and for detecting at least reflected radar radiation including: a headlight including a light-transparent headlight cover, and a light source, and a light reflector; a radar module, which is arranged behind the headlight cover, integrated in the headlight and including a radar antenna unit. The radar and light emission assembly has at least one radar radiation-forming mechanism, in particular a frequency-selective radar radiation-forming mechanism, including a radar radiation-forming mechanism, which is integrated in the headlight cover. The application of the radar technology, integrated in the headlight, can be further optimized hereby. The invention further relates to a method and a use for a radar and light emission assembly of this type.Type: GrantFiled: October 16, 2019Date of Patent: December 19, 2023Assignees: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V., Rheinisch-Westfälische Technische Hochschule (RWTH) AachenInventors: Manuela Junghähnel, Thomas Preussner, Sebastian Winkler, Sofian Hamid, Korbinian Schraml, Jörg Pamp, Dirk Heberling, Christian Hördemann, Ludwig Pongratz, Patrick Gretzki, Arnold Gillner
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Patent number: 11817146Abstract: A phase-change memory (10) for the non-volatile storage of binary contents stores the binary contents electrically and/or optically in a non-volatile manner by locally switching a material (18) between an amorphous and a crystalline phase. The state with respect to the electrical conductivity of the material (18) and/or the reflection properties of the material (18) determines the information content of the phase-change memory (10). A method for non-volatile storage of binary contents in a phase-change memory (10), which stores the binary contents electrically and/or optically in a non-volatile manner by locally switching a material (18) between an amorphous and a crystalline phase, whereby the state with respect to the electrical conductivity of the material (18) and/or the reflection properties of the material (18) determines the information content of the phase-change memory (10).Type: GrantFiled: April 21, 2020Date of Patent: November 14, 2023Assignee: Rheinisch-Westfälische Technische Hochschule (RWTH) AachenInventors: Shuai Wei, Matthias Wuttig, Yudong Cheng, Julian Pries, Xiaoling Lu
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Patent number: 11731377Abstract: In a method for producing workpieces comprising fibre composite material, in which a base unit (5) held by retaining means (97) of a conveying device is guided by at least one application station (2, 14, 17, 20, 23, 27, 29,2, 14, 17, 20, 23, 27, 29, 39-41, 67-72) and, in order to form the workpieces at the application station (2, 14, 17, 20, 23, 27, 29,2, 14, 17, 20, 23, 27, 29, 39-41, 67-72) or at least at one of the application stations (2, 14, 17, 20, 23, 27, 29,2, 14, 17, 20, 23, 27, 29, 39-41, 67-72), during a translational movement of the base unit (5) through the application station (2, 14, 17, 20, 23, 27, 29,2, 14, 17, 20, 23, 27, 29, 39-41, 67-72) in question at least one strip (6) belonging to the fibre composite material is placed on the base unit (5), it is proposed that the spatial orientation of the base unit (5) is altered by means of at least one rotation relative to the retaining means (97) before the application station (2, 14, 17, 20, 23, 27, 29,2, 14, 17, 20, 23, 27, 29, 39-41, 67-72) or bType: GrantFiled: June 25, 2019Date of Patent: August 22, 2023Assignees: AZL Aachen GmbH, RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Thomas Weiler, Richard Schares, Albert Wendt, Lazlo Giesgen, Ruben Johannes Matthias Timmermanns
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Patent number: 11729078Abstract: Devices and method are disclosed for a load allocation and monitoring for a resource to be allocated in a network, where the resource to be allocated is a critical resource in terms of supply security for a population group and/or a system, and the critical resource comprises electric power, where the network is subdivided into network units, and each network unit has a network unit controller.Type: GrantFiled: March 20, 2020Date of Patent: August 15, 2023Assignee: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Abhinav Sadu, Gianluca Lipari, Ferdinanda Ponci, Jindal Akshay
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Patent number: 11687473Abstract: An electronic component (10) is formed by a semiconductor component or a semiconductor-like structure having gate electrode assemblies (16, 18), for initializing the quantum mechanical state of a qubit.Type: GrantFiled: September 21, 2020Date of Patent: June 27, 2023Assignees: Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Forschungszentrum Jülich GmbHInventors: Matthias Künne, Hendrik Bluhm, Lars Schreiber